diff --git a/firmware/masterchip/main.c b/firmware/masterchip/main.c
index 06a9f49..e9a13af 100644
--- a/firmware/masterchip/main.c
+++ b/firmware/masterchip/main.c
@@ -84,10 +84,10 @@ int __attribute__((noreturn)) main(void) {
     }
 
     SOFTTIMER(1,250) {
-      //updateTemperature();    
+      updateTemperature();    
     }
 
-    SOFTTIMER(3,100) {
+/*    SOFTTIMER(3,100) {
 /*        uint8_t foo[4];
         foo[0]=0x55;
         foo[1]=0x88;
@@ -96,20 +96,20 @@ int __attribute__((noreturn)) main(void) {
         spi_mst_start_packet();
         spi_mst_write_read(2,foo+2);
         spi_mst_end_packet();
-*/
+
         uint16_t foo=0x3456;
         foo=spi_master_communicate(3,5,foo);
         display_gotoyx(0,0);
-/*        display_puthex(foo[0]);
+        display_puthex(foo[0]);
         display_puthex(foo[1]);
         display_puthex(foo[2]);
-        display_puthex(foo[3]);*/
+        display_puthex(foo[3]);
         display_puthex((foo>>8)&0xff);
         display_puthex((foo)&0xff);
         display_puts("\nfoo");
         display_update();
 
-    }
+    }*/
 
   }
 }
diff --git a/firmware/shared/spi.c b/firmware/shared/spi.c
index 7d428b4..8a74662 100644
--- a/firmware/shared/spi.c
+++ b/firmware/shared/spi.c
@@ -120,7 +120,6 @@ void __attribute__((always_inline)) spi_sla_handle_packet(){
         // TODO: make slave not hangup in case of partial read
 	uint8_t opcode, addr, do_write;
 	uint16_t data;
-	SPI_WAIT;
 	SPDR = 0x53; // random ack
 	SPI_WAIT;
 	opcode = SPDR;
@@ -146,13 +145,13 @@ void __attribute__((always_inline)) spi_sla_handle_packet(){
 
 
 ISR(SPI_STC_vect){
-    uint8_t a;
+/*    uint8_t a;
     a = SPDR;
-    SPDR = ~a;
-/*    SPCR &= ~(_BV(SPIE)); //disable spi interrupts
+    SPDR = ~a; //*/
+    SPCR &= ~(_BV(SPIE)); //disable spi interrupts
     spi_sla_handle_packet(); 
     SPCR |= _BV(SPIE);
-   */
+   //*/
 }
 #endif //not SPI_MASTER
 	
diff --git a/firmware/shared/spi_proto.c b/firmware/shared/spi_proto.c
index 13cf067..2f43bdd 100644
--- a/firmware/shared/spi_proto.c
+++ b/firmware/shared/spi_proto.c
@@ -18,7 +18,7 @@ void talk_to_slave(uint8_t opcode, uint8_t addr, uint8_t flags)
 
 uint16_t spi_master_communicate(uint8_t opcode, uint8_t address, uint16_t value)
 {
-    uint8_t flags = spi_proto_needs();
+    uint8_t flags = spi_proto_needs(opcode);
 	write_data[2] = value >> 8;
 	write_data[3] = value & 0xff;
 	talk_to_slave(opcode, address, flags);
diff --git a/firmware/shared/spi_proto.h b/firmware/shared/spi_proto.h
index 67afbf3..1d08792 100644
--- a/firmware/shared/spi_proto.h
+++ b/firmware/shared/spi_proto.h
@@ -9,7 +9,7 @@
 #define SPI_READ_DATA 0x10
 #define SPI_NONE 0
 
-uint16_t spi_master_communicate(uint8_t opcode, uint8_t address, uint16_t value)
+uint16_t spi_master_communicate(uint8_t opcode, uint8_t address, uint16_t value);
 
 uint8_t spi_proto_needs(uint8_t opcode);
 
diff --git a/firmware/slavechip/main.c b/firmware/slavechip/main.c
index 836f802..debf805 100644
--- a/firmware/slavechip/main.c
+++ b/firmware/slavechip/main.c
@@ -30,6 +30,8 @@ void softinit() {
 int __attribute__((noreturn)) main(void) {
   hardinit();
   softinit();
+  foo= 0xfafa;
+  bar = 0x87;
 
   for(;;){
     
diff --git a/firmware/slavechip/spi_pointers.c b/firmware/slavechip/spi_pointers.c
index f2835a2..b692a0b 100644
--- a/firmware/slavechip/spi_pointers.c
+++ b/firmware/slavechip/spi_pointers.c
@@ -3,9 +3,23 @@
 #include "main.h"
 
 uint16_t *spi_proto_globals8[] = {
+                                  &foo,
+                                  &foo,
+                                  &foo,
+                                  &foo,
+                                  &foo,
+                                  &foo,
                                   &foo
                                  };
 uint8_t *spi_proto_globals16[] = {
+                                  &bar,
+                                  &bar,
+                                  &bar,
+                                  &bar,
+                                  &bar,
+                                  &bar,
+                                  &bar,
+                                  &bar,
                                   &bar
                                  };
 funptr_t spi_proto_funcs[] = {